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# AISB-889 Senior Full-Stack .NET Developer

- **Company:** AbAKUS
- **Location:** Brussel, Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Performance Management, User Authentication, Unit Testing, Code Review, Database Design, Entity Framework, Model View Controller (MVC), Performance Tuning, Software Architecture, Openid Connect, Swagger, JSON Web Token, Web Applications, Openapi, .NET Core, Blazor, Asp.net Web Api, Restful APIs
- **Published:** June 17, 2026
- **Apply:** https://www.careerjet.be/jobad/beaf725f18ae9cd353de876716e6787b4c

## About the Role

* Proven experience as a Senior Full-Stack Developer.
 * Strong expertise in C# and .NET technologies (.NET Core and modern .NET versions).
 * Solid experience with ASP.NET Web API development.
 * Hands-on experience with Blazor.
 * Strong knowledge of Entity Framework Core.
 * Experience with MVC architecture.
 * Expertise in designing and consuming REST APIs.
 * Good understanding of Swagger/OpenAPI specifications.
 * Strong SQL-Server development and database design skills.
 * Experience with authentication and authorization mechanisms (JWT, OpenID Connect, Claims-based security).
 * Experience implementing unit and integration testing strategies.
 * Understanding of software architecture, security, and performance optimization principles.
 * Fluent in either French or Dutch (C2 level).
 * Strong command of English (C1 level).

## Description

* Designing, developing, and maintaining software components using .NET-Framework and .NET Core technologies.
 * Collaborating with architects and technical stakeholders to define scalable and maintainable technical solutions.
 * Translating business and functional requirements into robust technical implementations.
 * Leading technical discussions and providing guidance to development team members.
 * Performing code reviews and ensuring compliance with development standards and best practices.
 * Developing and maintaining RESTful APIs and modern web applications.
 * Ensuring application quality through unit and integration testing.
 * Optimizing application performance, scalability, and security.
 * Contributing to continuous improvement initiatives and evaluating emerging technologies.
 * Supporting the adoption of modern software engineering practices across the team.


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